Weatherby cartridge balistics source?

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HKGuns

HKGuns

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Does anyone know of a source for cartridge specific information for this ammo? The Weatherby site has all the data for Weatherby specific cartridges, but I can't find a source for "regular" cartridges. The box of ammo pictured below is what I am trying to enter into my ballistics software and I can't find any information on it.

(.338 Win Mag 225 gr X bullet)

p1275371738-4.jpg
 
Well, I guess I'm not an idiot after all....Couldn't find a blame thing on these.
 
The only way to get any info accurate enough to be of any use in a ballistic software progam is to shoot the ammo over a chronograph. Even if you find the pulished ballistics for the ammo it will be from their test barrel. Fire it from 5 different guns and you will get 5 different speeds. They could vary by more than 100 fps from each other with ammo from the same box.


The link to the Federal ammo is as good a guess as any.
 
jmr40 said:
The only way to get any info accurate enough to be of any use in a ballistic software progam is to shoot the ammo over a chronograph. Even if you find the pulished ballistics for the ammo it will be from their test barrel. Fire it from 5 different guns and you will get 5 different speeds. They could vary by more than 100 fps from each other with ammo from the same box.


The link to the Federal ammo is as good a guess as any.
Click to expand...

I agree! Anything but YOUR ammo in YOUR gun is just a guess, and probably not even a good guess.

DM
 
I don't need it to be "that" close.....This is for hunting animals at "reasonable" ranges. I've been thinking of getting a chronograph, but just haven't made that leap yet.
 
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